291276391960

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1993}}^1\times {\mathrm{44021}}^1$

素因数の和:46108

約数の個数: 64

約数和(自身を含む): 663615802080

約数和(自身を除く): 372339410120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 1993, 3320, 3986, 7972, 9965, 15944, 19930, 39860, 44021, 79720, 88042, 165419, 176084, 220105, 330838, 352168, 440210, 661676, 827095, 880420, 1323352, 1654190, 1760840, 3308380, 3653743, 6616760, 7307486, 14614972, 18268715, 29229944, 36537430, 73074860, 87733853, 146149720, 175467706, 350935412, 438669265, 701870824, 877338530, 1754677060, 3509354120, 7281909799, 14563819598, 29127639196, 36409548995, 58255278392, 72819097990, 145638195980, 291276391960]

約数ペア:

[(1, 291276391960), (2, 145638195980), (4, 72819097990), (5, 58255278392), (8, 36409548995), (10, 29127639196), (20, 14563819598), (40, 7281909799), (83, 3509354120), (166, 1754677060), (332, 877338530), (415, 701870824), (664, 438669265), (830, 350935412), (1660, 175467706), (1993, 146149720), (3320, 87733853), (3986, 73074860), (7972, 36537430), (9965, 29229944), (15944, 18268715), (19930, 14614972), (39860, 7307486), (44021, 6616760), (79720, 3653743), (88042, 3308380), (165419, 1760840), (176084, 1654190), (220105, 1323352), (330838, 880420), (352168, 827095), (440210, 661676)]